In a previous version of this story we incorrectly stated that the defendant had admitted driving without an appropriate licence and using a vehicle without insurance. This was incorrect and we would like to apologise for the error.

A motorist who confiscated a Taser from his grandma risked five years in prison when police found the weapon in his car.

Nathan Waddup, 27, said he took the firearm - disguised as a phone - from his grandmother eight years after she got it in Bulgaria.